مسائل المنتخبه (Articles Of Islamic Acts) - الخوئي، السيد أبوالقاسم - الصفحة ٥٠٢ - WOMEN WITH WHOM MATRIMONY IS UNLAWFUL OR UNLAWFUL MATRIMONY

or the woman annuls the marriage on account of one of the other defects mentioned above and the man has not had sexual intercourse with the woman nothingis payable by him. In case, however, he has had sexual intercourse with her, he should pay her full dowry.

WOMEN WITH WHOM MATRIMONY IS UNLAWFUL OR UNLAWFUL MATRIMONY
٢٣٩٣. Matrimonial alliance is unlawful with women who are ones mehram, for instance, mother, sister, daughter, paternal aunt, mal aunt, niece (ones brothers orsisters daughter) and mother-in-law.
٢٣٩٤. If a man a woman, then her mother, maternal grandmother, paternal grandmother and all the women as the line goes up are his mehram, even though he may nothave had sexual intercourse with his wife.
٢٣٩٥. If a person marries a woman and has sexual intercourse with her, the daughters and granddaughters (daughters of sons, or of daughters) of the woman and theirdescendants, as the line goes down, become his mehram and it is immaterial whether they existed at the time of his marriage or were born later.
٢٣٩٦. If a man marries a woman, but does not have sexual intercourse with her, the obligatory precaution is that so long as their marriage lasts he should not marryher daughter.
٢٣٩٧. The paternal and maternal aunt of a man and the paternal and maternal aunt of his father and the paternal and maternal aunt of his paternal grandfather andthe paternal and maternal aunt of his mother and the paternal and maternal aunt of his maternal grandmother as the line goes up, are all his mehram.
٢٣٩٨. The husbands father and grandfather as the line goes up are her mehram. Similarly the husbands sons and the grand sons (via. sons of ones sons or ofdaughters) as the line may go downwards are her mehram and it is immaterial whether they